83696947 has 2 divisors, whose sum is σ = 83696948. Its totient is φ = 83696946.

The previous prime is 83696927. The next prime is 83697007. The reversal of 83696947 is 74969638.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83696947 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 83696894 and 83696903.

It is not a weakly prime, because it can be changed into another prime (83696917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41848473 + 41848474.

It is an arithmetic number, because the mean of its divisors is an integer number (41848474).

Almost surely, 2^83696947 is an apocalyptic number.

83696947 is a deficient number, since it is larger than the sum of its proper divisors (1).

83696947 is an equidigital number, since it uses as much as digits as its factorization.

83696947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 52.

The square root of 83696947 is about 9148.6035546415. The cubic root of 83696947 is about 437.4246021905.

The spelling of 83696947 in words is "eighty-three million, six hundred ninety-six thousand, nine hundred forty-seven".